Home / 1,126,311.13-1,689,448.60-273,389.77

Finding the Fourth Proportional to 1,126,311.13, 1,689,448.60 and 273,389.77

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Solution

The fourth proportional to 1,126,311.13, 1,689,448.60 and 273,389.77 is: 410,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,311.13 : 1,689,448.60 = 273,389.77 : x
  2. Step 2: Convert to fraction form
    1,126,311.13/1,689,448.60 = 273,389.77/x
  3. Step 3: Cross multiply
    1,126,311.13x = 1,689,448.60 × 273,389.77
  4. Step 4: Simplify right side
    1,126,311.13x = 461,877,964,180.82
  5. Step 5: Solve for x
    x = 461,877,964,180.82/1,126,311.13
  6. Step 6: Final answer
    x = 410,080.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.